/*******************************************************
> Copyright (C) 2024 ==IOT== All rights reserved.
> File Name: abc.cpp
> Author: IOT
> Website:www.slq.org
> Created Time: 2024年10月25日 星期五 15时58分52秒
***************************************************/

#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <map>
#include <algorithm>

using namespace std;

class Abc {
	public:
		virtual void show() = 0;
};

class Derived : public Abc {
	public:
		void show()
		{
			cout << "this is show" << endl;
		}
};

int main(int argc,const char* argv[])
{
	//Abc obj;
	Derived d;
    return 0;
}

